deep understanding — good knowledge
collocationB2IELTS 6+neutralcommon
To know a subject or situation very well, including all the important details and reasons behind it.
Say it like a native
Textbook He possesses a profound comprehension of the subject.
Native He's got a deep understanding of the subject.
'Profound comprehension' is stiff; 'deep understanding' is the natural collocation.
Pattern: have/gain/develop a deep understanding (of something)
In use
- She has a deep understanding of how the human brain works.study
- In my opinion, teachers should help students develop a deep understanding of the subject, not just memorize facts.IELTS speaking
Common mistake
✗ She has a deep understanding about the topic.
✓ She has a deep understanding of the topic.
'Understanding OF' — not 'about'.
Common collocations
deep understanding— of, gain, a, develop
Don't confuse it
A 'basic understanding' means you only know the main points, while a 'deep understanding' means you know the details and reasons.